Chromite and Nosean Physical Properties

Chromite

Nosean

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.30-2.40

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None, parting may develop along {111}

{110} Perfect

1.7 Mohs Hardness

5.5Not Available

2 10

1.8 Chemical Composition

Fe++Cr2O4

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Chromite and Nosean Chemical Formula

While comparing Chromite and Nosean physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chromite and Nosean chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

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Chromite and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.